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Abstract

We consider the scheduling of retransmissions in the low-latency deterministic network
(LLDN) extension to the IEEE 802.15.4 standard. We propose a number of retransmission schemes
with varying degrees of required changes to the LLDN specification. In particular, we propose
a retransmission scheme that uses cooperative relayers and where the best relayer for a source
node is learned using a reinforcement-learning method. The method allows for adapting relayer
selections in the face of time-varying channels. Our results show that the relayer-based methods
achieve a much better reliability over the other methods, both over static (but unknown) and over
time-varying channels.

Citation

Willig A, Matusovsky Y, Kind A (2017). Relayer-Enabled Retransmission Scheduling in 802.15.4e LLDN -- Exploring a Reinforcement Learning Approach. MDPI Journal of Sensor and Actuator Networks.This citation is automatically generated and may be unreliable. Use as a guide only.